Home / 109,744.20-164,616.84-30,859.11

Finding the Fourth Proportional to 109,744.20, 164,616.84 and 30,859.11

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Solution

The fourth proportional to 109,744.20, 164,616.84 and 30,859.11 is: 46,288.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,744.20 : 164,616.84 = 30,859.11 : x
  2. Step 2: Convert to fraction form
    109,744.20/164,616.84 = 30,859.11/x
  3. Step 3: Cross multiply
    109,744.20x = 164,616.84 × 30,859.11
  4. Step 4: Simplify right side
    109,744.20x = 5,079,929,173.41
  5. Step 5: Solve for x
    x = 5,079,929,173.41/109,744.20
  6. Step 6: Final answer
    x = 46,288.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.